/**
 * Copyright 2025 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

import type { SpectrumElement } from '@spectrum-web-components/base';
import { userFocusableSelector } from './focusable-selectors.js';

export const firstFocusableIn = (
    root: HTMLElement | ShadowRoot
): SpectrumElement | null => {
    const firstFocusable = root.querySelector(
        userFocusableSelector
    ) as SpectrumElement;
    return firstFocusable;
};

export const firstFocusableSlottedIn = (
    root: HTMLSlotElement
): SpectrumElement | null => {
    const firstFocusable = root
        .assignedElements()
        .find((element) =>
            element.matches(userFocusableSelector)
        ) as SpectrumElement;
    return firstFocusable;
};
